Natrol Easy-C is a high potency antioxidant that contains esterified Vitamin C, so it's gentle on the stomach. Easy-C is both water and fat soluble, so it gets to all of the cells of your body that need the protection of this powerful antioxidant. Easy-C is 100% vegetarian. The calcium ascorbate and ascorbyl palmitate make Easy-C an easy on the stomach formula and less acidic than other Vitamin C products that use ascorbic acid.